jim maceda joins us now. jim, give us the latest you're hearing on the ground in moscow. >> reporter: hi, julia. it's too early to be talking about a tipping point, i suppose. but this is potentially very positive news. the kremlin confirming that it has ordered all armed forces involved in those war games that began last week war games along the ukraine/russian border to return to their bases. and we're talking about -- if it's true, we're talking about a huge retreat, 150,000 troops, some 900 tanks, 200 warships and aircraft. so a retreat like that is certainly going to take down the temperature more than just symbolically. that said, russia has now -- up its forces on the crimea to division size, 15,000, 16,000 according to the ukrainian. that is, of course, poised to strike elsewhere in ukraine if vladmy putin thinks it is in his or russia's interest to do. the u.s. and allies are struggling to come up with some effective package of diplomatic and economic sanctions. i'm sure you've been talking about thi